Clean up TestExecutorBuilder interface.

Part of the rollforward of https://github.com/bazelbuild/bazel/commit/37aeabcd39fe326d1c4e55693d8d207f9f7ac6c4.

PiperOrigin-RevId: 303179885
diff --git a/src/test/java/com/google/devtools/build/lib/exec/BlazeExecutorTest.java b/src/test/java/com/google/devtools/build/lib/exec/BlazeExecutorTest.java
index a42f915..58124b4 100644
--- a/src/test/java/com/google/devtools/build/lib/exec/BlazeExecutorTest.java
+++ b/src/test/java/com/google/devtools/build/lib/exec/BlazeExecutorTest.java
@@ -80,7 +80,7 @@
         .setReporter(reporter)
         .setOptionsParser(parser)
         .setExecution("fake", "fake")
-        .addStrategy(SpawnStrategy.class, new FakeSpawnStrategy(), "fake")
+        .addContext(SpawnStrategy.class, new FakeSpawnStrategy(), "fake")
         .build();
 
     Event event =
diff --git a/src/test/java/com/google/devtools/build/lib/exec/util/TestExecutorBuilder.java b/src/test/java/com/google/devtools/build/lib/exec/util/TestExecutorBuilder.java
index 5e4b4e5..d74ac49 100644
--- a/src/test/java/com/google/devtools/build/lib/exec/util/TestExecutorBuilder.java
+++ b/src/test/java/com/google/devtools/build/lib/exec/util/TestExecutorBuilder.java
@@ -17,6 +17,7 @@
 import com.google.common.eventbus.EventBus;
 import com.google.devtools.build.lib.actions.ActionContext;
 import com.google.devtools.build.lib.actions.ExecutorInitException;
+import com.google.devtools.build.lib.actions.SpawnStrategy;
 import com.google.devtools.build.lib.analysis.BlazeDirectories;
 import com.google.devtools.build.lib.analysis.actions.FileWriteActionContext;
 import com.google.devtools.build.lib.analysis.actions.LocalTemplateExpansionStrategy;
@@ -60,9 +61,9 @@
   public TestExecutorBuilder(FileSystem fileSystem, Path execRoot, BinTools binTools) {
     this.fileSystem = fileSystem;
     this.execRoot = execRoot;
-    addStrategy(FileWriteActionContext.class, new FileWriteStrategy());
-    addStrategy(TemplateExpansionContext.class, new LocalTemplateExpansionStrategy());
-    addStrategy(SymlinkTreeActionContext.class, new SymlinkTreeStrategy(null, binTools));
+    addContext(FileWriteActionContext.class, new FileWriteStrategy());
+    addContext(TemplateExpansionContext.class, new LocalTemplateExpansionStrategy());
+    addContext(SymlinkTreeActionContext.class, new SymlinkTreeStrategy(null, binTools));
   }
 
   public TestExecutorBuilder setReporter(Reporter reporter) {
@@ -86,10 +87,26 @@
    * <p>If two action contexts are registered with the same identifying type and commandline
    * identifier the last registered will take precedence.
    */
-  public <T extends ActionContext> TestExecutorBuilder addStrategy(
-      Class<T> identifyingType, T strategy, String... commandlineIdentifiers) {
+  public <T extends ActionContext> TestExecutorBuilder addContext(
+      Class<T> identifyingType, T context, String... commandlineIdentifiers) {
     spawnMapsBuilder.strategyByContextMap().put(identifyingType, "");
-    spawnMapsBuilder.addContext(identifyingType, strategy, commandlineIdentifiers);
+    spawnMapsBuilder.addContext(identifyingType, context, commandlineIdentifiers);
+    return this;
+  }
+
+  /** Makes the given strategy available in the execution phase. */
+  public TestExecutorBuilder addStrategy(SpawnStrategy strategy, String... commandlineIdentifiers) {
+    spawnMapsBuilder.addContext(SpawnStrategy.class, strategy, commandlineIdentifiers);
+    return this;
+  }
+
+  /**
+   * Sets the default strategies to use if none are supplied by the user.
+   *
+   * <p>Replaces any previously set default strategies.
+   */
+  public TestExecutorBuilder setDefaultStrategies(String... strategies) {
+    spawnMapsBuilder.strategyByMnemonicMap().replaceValues("", ImmutableList.copyOf(strategies));
     return this;
   }
 
diff --git a/src/test/java/com/google/devtools/build/lib/standalone/StandaloneSpawnStrategyTest.java b/src/test/java/com/google/devtools/build/lib/standalone/StandaloneSpawnStrategyTest.java
index 30ac45c..6cdb876 100644
--- a/src/test/java/com/google/devtools/build/lib/standalone/StandaloneSpawnStrategyTest.java
+++ b/src/test/java/com/google/devtools/build/lib/standalone/StandaloneSpawnStrategyTest.java
@@ -153,8 +153,8 @@
                 Mockito.mock(RunfilesTreeUpdater.class)));
     this.executor =
         new TestExecutorBuilder(fileSystem, directories, binTools)
-            .addStrategy(SpawnStrategy.class, strategy, "standalone")
-            .setExecution("", "standalone")
+            .addStrategy(strategy, "standalone")
+            .setDefaultStrategies("standalone")
             .build();
 
     executor.getExecRoot().createDirectoryAndParents();